﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DA
{
    public class danhsachkhoi_DA
    {

        DataLINQHocSinhDataContext dt = new DataLINQHocSinhDataContext();
        public object layallkhoi()
        {
            return dt.KHOIs.ToList();
        }
    }
}
